ANATOMY & PHYSIOLOGY LL W/CONNECT ACCESS
4th Edition
ISBN: 9781265521363
Author: McKinley
Publisher: MCG
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Chapter 15, Problem 13DYKB
Summary Introduction
To contrast and compare:
The parasympathetic and sympathetic postganglionic axons. Also, examine the length of the axon, myelination and the neurotransmitter involved.
Concept introduction:
ANS consists of both, the sensory and motor components. The motor component of the ANS is divided further into the sympathetic division and the parasympathetic division. Myelination means the presence of myelin sheath in the axon of a neuron.
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Compare and contrast the postganglionic axons of the parasympathetic and sympathetic divisions. Examine the axon length, myelination (or lack thereof), and the neurotransmitter used.
In the sympathetic division of the autonomic
nervous system:
Select one:
The ratio between the number of
postganglionic and preganglionic neurons
is small.
A single preganglionic neuron usually
synapses with a single postganglionic
neuron.
An important functional characteristic is
convergence of the preganglionic fibers.
Preganglionic fibers are usually much longer
than the postganglionic fibers.
Activity of the neurons tends to have a more
generalized and widespread effect on the
body.
Compare and contrast the basic anatomy of the parasympathetic and sympathetic systems, includingcentral nervous system locations, ganglia locations, pre- and post-ganglionic neuron relative lengths,and ganglionic and effector neurotransmitters.
Chapter 15 Solutions
ANATOMY & PHYSIOLOGY LL W/CONNECT ACCESS
Ch. 15.1 - What criterion is used to organize the nervous...Ch. 15.1 - Prob. 2WDYLCh. 15.1 - What CNS structure is the integration and command...Ch. 15.2 - Prob. 4WDYLCh. 15.2 - Describe the general anatomic differences in the...Ch. 15.2 - Prob. 6WDYLCh. 15.3 - Which four cranial nerves have a parasympathetic...Ch. 15.3 - What organs are innervated by the pelvic...Ch. 15.4 - Prob. 9WDYLCh. 15.4 - Prob. 10WDYL
Ch. 15.4 - Prob. 11WDYLCh. 15.4 - In what ways does the adrenal medulla pathway help...Ch. 15.5 - Prob. 13WDYLCh. 15.5 - Prob. 14WDYLCh. 15.6 - Prob. 15WDYLCh. 15.6 - Prob. 16WDYLCh. 15.6 - Prob. 17WDYLCh. 15.6 - Prob. 18WDYLCh. 15.6 - Prob. 19WDYLCh. 15.7 - Prob. 20WDYLCh. 15.7 - Prob. 21WDYLCh. 15.7 - Prob. 22WDYLCh. 15.7 - What are the body structures innervated by the...Ch. 15.8 - Prob. 24WDYLCh. 15 - A splanchnic nerve in the sympathetic division of...Ch. 15 - Some parasympathetic preganglionic neuron cell...Ch. 15 - Prob. 3DYKBCh. 15 - Prob. 4DYKBCh. 15 - Sympathetic division preganglionic axons travel to...Ch. 15 - Prob. 6DYKBCh. 15 - Prob. 7DYKBCh. 15 - A sympathetic postganglionic axon is a. long and...Ch. 15 - Prob. 9DYKBCh. 15 - Prob. 10DYKBCh. 15 - Prob. 11DYKBCh. 15 - For the following ganglia, identify the location...Ch. 15 - Prob. 13DYKBCh. 15 - Prob. 14DYKBCh. 15 - Prob. 15DYKBCh. 15 - Prob. 16DYKBCh. 15 - Prob. 17DYKBCh. 15 - What may occur with the mass activation of the...Ch. 15 - Prob. 19DYKBCh. 15 - Prob. 20DYKBCh. 15 - Prob. 1CALCh. 15 - Arlene was in a heightened state of alertness well...Ch. 15 - George has hypertension (high blood pressure). His...Ch. 15 - Prob. 4CALCh. 15 - Prob. 5CALCh. 15 - Prob. 1CSLCh. 15 - When you were younger, your parents may have told...Ch. 15 - Prob. 3CSL
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- Match the following statements to the correct neurotransmitter of the autonomic nervous system. Select "Both" if the statement is true of both neurotransmitters. Secreted by cholinergic fibers. Receptors for this neurotransmitter may cause either excitatory or inhibitory responses. Bind(s) to adrenergic receptors. Receptors for this neurotransmitter are found on all autonomic postganglionic neurons. This neurotransmitter can increase heart rate. ANSWER OPTIONS: Acetylcholine or Norepinephrine? Both?arrow_forwardIn most instances the sympathetic and parasympathetic have opposite effects on effectors where they both innervate. Describe an example where they have cooperative effects, not the opposite.arrow_forwardCreate a diagram/flow chart that compares and contrasts the somatic motor division, parasympathetic division, and sympathetic division. Be sure to include all the receptors, target tissues and neurotransmitters.arrow_forward
- Which of the following could be used to describe Norepinephrine (NE)? Select all that apply. hormone neurotransmitter Secreted by most postganglionic parasympathetic fibers uses cholinergic receptors a beta blocker would decrease its activity Secreted by most postganglionic sympathetic fibers Next Droviousarrow_forwardList and describe the major effects of sympathetic stimulation on the major organs. Describe thedifference between an adrenergic receptor and a cholinergic receptor. List the adrenergic receptortypes, and name where you would find them. State their primary function.arrow_forwardDraw a graph of the autonomic system and identify the neurotransmitters and receptors such as dopamine,norephinephrine and etc. and where it binds to alpha and beta. please explain as well.arrow_forward
- List and describe the major effects of parasympathetic stimulation. Explain why sympathetic effectstend to be systemic and long lasting, while parasympathetic effects are local and short lived.arrow_forwardContrast the functions of the sympathetic and para-sympathetic divisions of the autonomic nervous system.arrow_forwardSympathetic and parasympathetic preganglionic fibers release the neurotransmitter:arrow_forward
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